param N:=10;
param G:=100;
param alpha:=
1  0.55
2  0.75
3  0.54
4  0.23
5  0.43
6  0.56
7  0.72
8  0.67
9  0.47
10 0.54;
param y:=
1  91.15 
2  121.29
3  100.49
4  93.48 
5  107.64
6  127.22
7  98.34 
8  74.08 
9  85.57 
10 100.62;
